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Weather & Climate
Back Mountain, Pennsylvania, United States
Overview
Climate data and monthly weather averages for Back Mountain.
Key Metrics
Annual Avg
8.4°C
Summer Avg
20.1°C
Winter Avg
-3.7°C
Record High
39.7°C
Record Low
-25.9°C
Annual Precipitation
1120.9 mm
Avg Humidity
81%
Summer Humidity
76%
Winter Humidity
89%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 16.6° | -5.1° | -25.9° | 68.2 | 89% | 51 | 33.8 |
| Feb | 20.7° | -4.2° | -25.9° | 63.8 | 89% | 69 | 32.4 |
| Mar | 23° | 0.5° | -24.2° | 77.2 | 84% | 108 | 31.1 |
| Apr | 28.7° | 7.3° | -8.2° | 90.3 | 79% | 136 | 27.2 |
| May | 35° | 13.8° | -4.1° | 102 | 79% | 162 | 24.2 |
| Jun | 32.3° | 18.5° | 2.6° | 113.7 | 80% | 172 | 17 |
| Jul | 39.7° | 21.3° | 6.8° | 113.8 | 75% | 181 | 15.6 |
| Aug | 36.8° | 20.6° | 7.1° | 110.4 | 74% | 157 | 25.3 |
| Sep | 34.5° | 16.9° | 1.3° | 116.1 | 74% | 123 | 21.6 |
| Oct | 29.7° | 9.9° | -5.5° | 106.3 | 80% | 84 | 28.9 |
| Nov | 22.7° | 3.5° | -17° | 73.8 | 84% | 56 | 26.1 |
| Dec | 19° | -1.9° | -18.6° | 85.3 | 89% | 41 | 27.9 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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